| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 487 |
71.4%
|
| 2 | 1 or 2 times | 110 |
16.1%
|
| 3 | 3 to 9 times | 53 |
7.8%
|
| 4 | 10 or more times | 32 |
4.7%
|
| Sysmiss | 19 |